The pain is caused by the follicular fluid entering the pelvic cavity after the follicle rupture, and the hormonal changes in the body after the follicle discharge will cause a small amount of bleeding. If ovarian hyperstimulation syndrome occurs, it will cause symptoms such as dizziness, nausea, severe abdominal pain, and in some cases, ascites, but not everyone will have symptoms, and it is normal to have no symptoms. If a small amount of ascites can be absorbed on its own, if ascites increases it is best to take reasonable medication and if necessary puncture treatment. After vasopressor, you need to go to the hospital regularly for ultrasound examination to see if the follicles are expelled, and it is recommended to pay attention to rest, avoid medication, and avoid exposure to X-rays. If ovulation occurs, it is best to arrange intercourse in a timely manner to increase the chances of pregnancy 2-3 days before and after ovulation, and to prevent fetal neural tube abnormalities by taking reasonable folic acid supplements during the preparation period.